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AM reception noise

Printed From: the12volt.com
Forum Name: Car Audio
Forum Discription: Car Stereos, Amplifiers, Crossovers, Processors, Speakers, Subwoofers, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=26892
Printed Date: May 17, 2025 at 7:19 AM


Topic: AM reception noise

Posted By: MBZ oe
Subject: AM reception noise
Date Posted: February 21, 2004 at 10:38 AM

Hey all

I am getting a bad high pitch sound when I try to listen to AM radio. It doesn't matter if car is running or not. I just want to hear my favorite radio show- Coast to Coast AM with George Noorey and Art Bell, at night when I am driving.

Angel



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BOOM, BOOM, BOOM BOOM....



Replies:

Posted By: DYohn
Date Posted: February 21, 2004 at 10:47 AM
Did it just start doing that?  What did you change?



Posted By: sparkie
Date Posted: February 21, 2004 at 4:42 PM
Check to make sure that the antenna has a good ground. Unplug the lead tip from the back of the radio and use a meter to measure the resistance to ground from the outer antenna shield to a know good ground with the ignition off. You should get less than 0.5 ohms for a reading. If not repair/repalce the antenna to get a good ground. What is the vehicle?

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sparky


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